DOCUMENT:Q106467 26-JUL-2001 [visualc] TITLE :Macros and Switches Not Defined in Visual C++ 32-bit Edition PRODUCT :Microsoft C Compiler PROD/VER: OPER/SYS: KEYWORDS: ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - The C/C++ Compiler (CL.EXE), included with: - Microsoft Visual C++, 32-bit Editions, versions 1.0, 2.0, 4.0 ------------------------------------------------------------------------------- SUMMARY ======= In the past, _MSDOS was defined by Microsoft C and C++ compilers. However, Visual C++, 32-bit Edition, does not target 16-bit MS-DOS or 16-bit Windows executables, and therefore some macros are no longer defined. Also, some compiler switches such as /G0 and /Gc are not used with Visual C++, 32-bit Edition. MORE INFORMATION ================ Macros not defined by Visual C++, 32-bit Edition are: _FAST _QC M_I86, _M_I86 M_I8086, _M_I8086 M_I286, _M_I286 M_I86xM, _M_I86xM MS_DOS, _MS_DOS _WINDLL _WINDOWS _PCODE Compiler switches not recognized by Visual C++, 32-bit Edition are: Switch Description ------------------------------------------------------------------- /A Memory models /batch Compile in batch mode /Bm Increase compiler capacity /Fs Create source file listing /Fc Create combined source, assembly, machine code listing /f Fast compile /FPi Use floating-point emulation /FPa Use alternate math /FPc87 Use 80x87 calls /FPc Use coprocessor calls /FPi87 Use inline 80x87 instructions /G0 /G1 /G2 Processor-specific code /GA /GD Prologue/epilogue code for protected mode Windows /GE Customize Windows entry/exit code /Gc Pascal/FORTRAN calling convention /Gn Remove p-code native entry points /Gp Specify entry tables /Gq Simplified real mode Windows prologue/epilog code /Gt Set data threshold /GW /Gw Generate real mode Windows prologue/epilogue code /Gx /Gx- Specify that data is far or near /Ld /Lw Control library selection /Ln Link without C run-time startup code /MA Specify Macro Assembler options /Mq Compile for QuickWin support /ND /NM /NQ /NT /NV Name the data and code segments /Oc /Oe /Of /Ol /On Optimizations /Oo /Oo- /Oq /Or /OVn /Ov /Ov- /Oz /Sl /Sp /Ss /St Source-listing format options /Ta Specify assembly source file /Zr Check pointers For more information concerning which macros are predefined or about command-line options used by the compiler, select the Help menu option in the Visual Workbench and search on "Macros", or choose Build Tools from the Help menu. This information is also available in Chapter 2 of the "Build Tools User's Guide" and Chapter 1 of the "Preprocessor Reference." Additional query words: kbinf 1.00 2.00 4.00 8.00 9.00 ====================================================================== Keywords : Technology : kbVCsearch kbAudDeveloper kbCVCComp ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2001.